55% (1991)

50% (1969)

70% (1993)

53% (1967)

35% (1981)

82% (1992)

0% (1990)

92% (1980)

50% (1953)

0% (1982)

0% (1972)

67% (1962)

57% (1978)

67% (2001)

50% (1988)

72% (1993)

68% (1991)

0% (1994)

0% (1976)

77% (1979)